#!/bin/bash

#
# Copyright (C) 2013 Karel Zak <kzak@redhat.com>
#
# This file is part of util-linux.
#
# This file is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This file is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#

TS_TOPDIR="${0%/*}/../.."
TS_DESC="losetup-blkdev"

. "$TS_TOPDIR"/functions.sh
ts_init "$*"

ts_check_test_command "$TS_CMD_LOSETUP"
ts_check_test_command "$TS_CMD_LSBLK"

ts_skip_nonroot
ts_check_losetup

. "$TS_SELF/losetup_functions.sh"

#
# Backing file is a block device
#
ts_scsi_debug_init dev_size_mb=11
BACKFILE="$TS_DEVICE"

ts_init_subtest "show"
LODEV=$( $TS_CMD_LOSETUP --find --show $BACKFILE )
if [ -z "$LODEV" ]; then
	ts_log "Failed to create loop device"
fi
lo_print $LODEV >> $TS_OUTPUT
udevadm settle
$TS_CMD_LOSETUP -d $LODEV
ts_finalize_subtest

ts_init_subtest "offset"
LODEV=$( $TS_CMD_LOSETUP --offset 1MiB --find --show $BACKFILE )
if [ -z "$LODEV" ]; then
	ts_log "Failed to create loop device"
fi
lo_print $LODEV >> $TS_OUTPUT
udevadm settle
$TS_CMD_LOSETUP -d $LODEV
ts_finalize_subtest


ts_init_subtest "sizelimit"
LODEV=$( $TS_CMD_LOSETUP --sizelimit 3MiB --find --show $BACKFILE )
if [ -z "$LODEV" ]; then
	ts_log "Failed to create loop device"
fi
lo_print $LODEV >> $TS_OUTPUT
udevadm settle
$TS_CMD_LOSETUP -d $LODEV
ts_finalize_subtest


ts_init_subtest "section"
LODEV=$( $TS_CMD_LOSETUP --offset 1MiB --sizelimit 3MiB --find --show $BACKFILE )
if [ -z "$LODEV" ]; then
	ts_log "Failed to create loop device"
fi
lo_print $LODEV >> $TS_OUTPUT
udevadm settle
$TS_CMD_LOSETUP -d $LODEV
ts_finalize_subtest

ts_finalize
